Workshop Addons Not Working?

Question

So It's been a LOOOOOOOONG time since I played and I decided to start felxin' again, but due to several updates all of my addons and such that I downloaded from these forums were basically wiped. I did a clean install and went to the workshop to get some of those addons, and none of them are showing up in the in-game menu. Am I missing something or is this unusual?